1969620432 has 40 divisors (see below), whose sum is σ = 5479586784. Its totient is φ = 606036864.

The previous prime is 1969620431. The next prime is 1969620439. The reversal of 1969620432 is 2340269691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1969620431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1577598 + ... + 1578845.

Almost surely, 2^1969620432 is an apocalyptic number.

1969620432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1969620432 is an abundant number, since it is smaller than the sum of its proper divisors (3509966352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1969620432 is a wasteful number, since it uses less digits than its factorization.

1969620432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3156467 (or 3156461 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 42.

The square root of 1969620432 is about 44380.4059467689. The cubic root of 1969620432 is about 1253.5091648841.

The spelling of 1969620432 in words is "one billion, nine hundred sixty-nine million, six hundred twenty thousand, four hundred thirty-two".